{"_id":"D3u5X693MTDtvGPFw","bibbaseid":"horth-tuba-richardson-pasumarthi-hanquist-porter-rahman-alkalimetalseedingforenhancedionizationinhypersonicflight-2026","author_short":["Horth, S.","Tuba, A.","Richardson, W. B.","Pasumarthi, V.","Hanquist, K. M.","Porter, B.","Rahman, N."],"bibdata":{"bibtype":"inproceedings","type":"inproceedings","title":"Alkali Metal Seeding for Enhanced Ionization in Hypersonic Flight","doi":"10.2514/6.2026-4057","abstract":"Alkali metal seeding offers a potential approach for increasing electron number density in hypersonic shock layers and boundary layers, with applications to communication blackout mitigation, sensing, and electromagnetic flow control. This work develops an extended finite-rate chemistry framework for alkali-seeded hypersonic plasmas within SU2-NEMO and Mutation++, incorporating air plasma kinetics with sodium, potassium, and cesium reaction pathways. Results show that alkali seeding can substantially enhance electron mole fraction relative to unseeded air, particularly at lower temperatures and reduced pressures where baseline air ionization remains weak. Cesium provides the strongest enhancement in moderate-temperature regimes, while sodium and potassium become increasingly competitive at higher temperatures.","urldate":"2026-06-16","booktitle":"AIAA AVIATION 2026 Forum","publisher":"AIAA Paper 2026-4057","author":[{"propositions":[],"lastnames":["Horth"],"firstnames":["Shelby"],"suffixes":[]},{"propositions":[],"lastnames":["Tuba"],"firstnames":["Ana"],"suffixes":[]},{"propositions":[],"lastnames":["Richardson"],"firstnames":["Walter","B."],"suffixes":[]},{"propositions":[],"lastnames":["Pasumarthi"],"firstnames":["Vamsikrishna"],"suffixes":[]},{"propositions":[],"lastnames":["Hanquist"],"firstnames":["Kyle","M."],"suffixes":[]},{"propositions":[],"lastnames":["Porter"],"firstnames":["Brad"],"suffixes":[]},{"propositions":[],"lastnames":["Rahman"],"firstnames":["Nahid"],"suffixes":[]}],"year":"2026","keywords":"own","bibtex":"@inproceedings{horth2026,\n\ttitle = {Alkali {Metal} {Seeding} for {Enhanced} {Ionization} in {Hypersonic} {Flight}},\n\tdoi = {10.2514/6.2026-4057},\n\tabstract = {Alkali metal seeding offers a potential approach for increasing electron number density in hypersonic shock layers and boundary layers, with applications to communication blackout mitigation, sensing, and electromagnetic flow control. This work develops an extended finite-rate chemistry framework for alkali-seeded hypersonic plasmas within SU2-NEMO and Mutation++, incorporating air plasma kinetics with sodium, potassium, and cesium reaction pathways. Results show that alkali seeding can substantially enhance electron mole fraction relative to unseeded air, particularly at lower temperatures and reduced pressures where baseline air ionization remains weak. Cesium provides the strongest enhancement in moderate-temperature regimes, while sodium and potassium become increasingly competitive at higher temperatures.},\n\turldate = {2026-06-16},\n\tbooktitle = {{AIAA} {AVIATION} 2026 {Forum}},\n\tpublisher = {AIAA Paper 2026-4057},\n\tauthor = {Horth, Shelby and Tuba, Ana and Richardson, Walter B. and Pasumarthi, Vamsikrishna and Hanquist, Kyle M. and Porter, Brad and Rahman, Nahid},\n\tyear = {2026},\n\tkeywords = {own},\n}\n\n\n\n\n\n\n\n\n\n\n\n","author_short":["Horth, S.","Tuba, A.","Richardson, W. B.","Pasumarthi, V.","Hanquist, K. M.","Porter, B.","Rahman, N."],"key":"horth2026","id":"horth2026","bibbaseid":"horth-tuba-richardson-pasumarthi-hanquist-porter-rahman-alkalimetalseedingforenhancedionizationinhypersonicflight-2026","role":"author","urls":{},"keyword":["own"],"metadata":{"authorlinks":{}}},"bibtype":"inproceedings","biburl":"https://bibbase.org/zotero-group/khanquist/4882481","dataSources":["qwkM8ZucCwtxbnXfc"],"keywords":["own"],"search_terms":["alkali","metal","seeding","enhanced","ionization","hypersonic","flight","horth","tuba","richardson","pasumarthi","hanquist","porter","rahman"],"title":"Alkali Metal Seeding for Enhanced Ionization in Hypersonic Flight","year":2026}